AMD Radeon HD 8570M vs AMD Radeon HD 7870M

VS

AMD Radeon HD 8570M

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8570M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8570M 's Advantages

Released 11 months late

Boost Clock825MHz

AMD Radeon HD 7870M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 16.00GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8570M

0.528 TFLOPS

Radeon HD 7870M +93%

1.024 TFLOPS

Radeon HD 8570M

VS

Radeon HD 7870M

Graphics Card

Mar 2013

Release Date

Apr 2012

Solar System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

750 MHz

Base Clock

-

825 MHz

Boost Clock

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

64.00GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

640

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

12.80 GPixel/s

16.50 GTexel/s

Texture Rate

32.00 GTexel/s

-

528.0 GFLOPS

FP32 (float)

1024 GFLOPS

33.00 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

Heathrow

Sun S3 PRO (216-0841018)

GPU Variant

Heathrow XT (216-0835033)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.5 billion

56 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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